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The NACO instrument on ESO's Very Large Telescope was used to create this time-lapse video of stars orbiting the Milky Way’s supermassive black hole over the course of nearly 20 years
For the first time ever, researchers have watched a star race past the supermassive black hole at the heart of the Milky Way, verifying that its motion showed the effects of general relativity, as predicted by Albert Einstein.
The stars of the Milky Way orbit a gargantuan black hole called Sagittarius A*, which is generally quiet as viewed from Earth, except for ripping apart the occasional object that ventures too close. The black hole's mass is 4 million times that of the sun, and it exhibits our galaxy's strongest gravitational field, making it — and a small group of stars orbiting it at high speed — a perfect proving ground for the extreme effects predicted by Einstein's theory of general relativity.
originally posted by: SecretKnowledge
A quick one minute video.
The black hole's mass is 4 million times that of the sun ...